Datasheet

TPS2114A
TPS2115A
www.ti.com SBVS044F –MARCH 2004–REVISED MAY 2012
PACKAGE DISSIPATION RATINGS
DERATING FACTOR T
A
≤ 25°C POWER T
A
= 70°C POWER T
A
= 85°C POWER
PACKAGE ABOVE T
A
= 25°C RATING RATING RATING
TSSOP-8 (PW) 3.9 mW/°C 387 mW 213 mW 155 mW
SON-8 (DRB) 25.0 mW/°C 2.50 W 1.38 W 1.0 W
RECOMMENDED OPERATING CONDITIONS
MIN NOM MAX UNIT
V
I(IN2)
≥ 2.8 V 1.5 5.5 V
Input voltage at IN1, V
I(IN1)
V
I(IN2)
< 2.8 V 2.8 5.5 V
V
I(IN1)
≥ 2.8 V 1.5 5.5 V
Input voltage at IN2, V
I(IN2)
V
I(IN1)
< 2.8 V 2.8 5.5 V
Input voltage, V
I(DO)
, V
I(D1)
0 5.5 V
TPS2114APW 0.31 0.75 A
Nominal current limit adjustment range,
TPS2115APW 0.63 1.25 A
I
O(OUT)
(1)
TPS2115ADRB, T
J
≤ 105°C 0.63 2 A
Operating virtual junction temperature, T
J
–40 125 °C
(1) Minimum recommended current is based on accuracy considerations.
ELECTRICAL CHARACTERISTICS: POWER SWITCH
Over recommended operating junction temperature range, V
I(IN1)
= V
I(IN2)
= 5.5 V, and R
ILIM
= 400 Ω, unless otherwise noted.
TPS2114A TPS2115A
PARAMETER TEST CONDITIONS MIN TYP MAX MIN TYP MAX UNIT
T
J
= 25°C, I
L
= 500 mA, V
I(IN1)
= V
I(IN2)
= 5.0 V 120 140 84 110 mΩ
T
J
= 25°C, I
L
= 500 mA, V
I(IN1)
= V
I(IN2)
= 3.3 V 120 140 84 110 mΩ
T
J
= 25°C, I
L
= 500 mA, V
I(IN1)
= V
I(IN2)
= 2.8 V 120 140 84 110 mΩ
Drain-source on-state
r
DS(on)
(1)
resistance (INx−OUT)
T
J
= 125°C, I
L
= 500 mA, V
I(IN1)
= V
I(IN2)
= 5.0 V 220 150 mΩ
T
J
= 125°C, I
L
= 500 mA, V
I(IN1)
= V
I(IN2)
= 3.3 V 220 150 mΩ
T
J
= 125°C, I
L
= 500 mA, V
I(IN1)
= V
I(IN2)
= 2.8 V 220 150 mΩ
(1) The TPS211xA can switch a voltage as low as 1.5 V as long as there is a minimum of 2.8 V at one of the input power pins. In this
specific case, the lower supply voltage has no effect on the IN1 and IN2 switch on-resistances.
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